| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Sieber Handling AG | 🇨🇭Switzerland | Active | 15/12/2025 – present |
| Officer | Sieber Holding AG | 🇨🇭Switzerland | Active | 15/12/2025 – present |
| Officer | Sieber Logistics AG | 🇨🇭Switzerland | Active | 15/12/2025 – present |
| Officer | SFL AG | 🇨🇭Switzerland | Active | 15/12/2025 – present |
| Officer | Helvetikett AG | 🇨🇭Switzerland | Active | 29/09/2021 – present |
| Officer | Aepli Metallbau AG | 🇨🇭Switzerland | Active | 30/12/2020 – present |
| Officer | Steinemann Technology AG | 🇨🇭Switzerland | Active | 26/10/2018 – present |
| Officer | stürmsfs ag | 🇨🇭Switzerland | Active | 08/10/2019 – present |
| Officer | Variosystems Holding AG | 🇨🇭Switzerland | Active | 25/03/2019 – present |
| Officer | Stürm Holding AG | 🇨🇭Switzerland | Active | 09/10/2018 – present |
| Officer | Gallus Ferd. Rüesch AG | 🇨🇭Switzerland | Active | 20/03/2018 – present |
15/12/2025
appointed
29/09/2021
appointed
09/10/2018
appointed